《信号与系统》第九章习.pptx
Homework:1STEP1STEP2STEP3STEP49.59.79.89.99.21(a,b,i,j)22(a,b,c,d)9.289.329.339.359.45
Chapter9ProblemSolution9.2Considerthesignal(a)Evaluate(b)
9.5ForeachofthefollowingalgebraicexpressionsfortheLaplacetransformofasignal,determinethenumberofzeroslocatedinthefinites-planeandthenumberofzeroslocatedatinfinity:Chapter9ProblemSolution1,20,11,0
Chapter9ProblemSolution9.7HowmanysignalshaveaLaplacetransformthatmaybeexpressedasinitsregionofconvergence?Poles:Therearefoursignals.
Chapter9ProblemSolution9.8LetbeasignalthathasarationalLaplacetransformwithexactlytwopoles,locatedats=-1ands=-3.Ifandconvergence,determinewhetherisleftsided,rightsided,ortwosided.convergenceistwosided.
Chapter9ProblemSolution9.9DeterminetheinverseLaplacetransformof
Chapter9ProblemSolution9.13Let,whereandDeterminethevaluesoftheconstantsαandβ.
Chapter9ProblemSolution9.21DeterminetheLaplacetransform.
Chapter9ProblemSolution
Chapter9ProblemSolution9.22Determinethefunctionoftime,
Chapter9ProblemSolution
12④③②①Chapter9ProblemSo